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Home ProductsDigital Hardness Tester

Small Size Electronic Hardness Tester , Hardness Testing Equipment For Raising Qualification MW-B75

Small Size Electronic Hardness Tester , Hardness Testing Equipment For Raising Qualification MW-B75

    • Small Size Electronic Hardness Tester , Hardness Testing Equipment For Raising Qualification MW-B75
    • Small Size Electronic Hardness Tester , Hardness Testing Equipment For Raising Qualification MW-B75
    • Small Size Electronic Hardness Tester , Hardness Testing Equipment For Raising Qualification MW-B75
    • Small Size Electronic Hardness Tester , Hardness Testing Equipment For Raising Qualification MW-B75
  • Small Size Electronic Hardness Tester , Hardness Testing Equipment For Raising Qualification MW-B75

    Product Details:

    Place of Origin: China Beijing
    Brand Name: MITECH
    Certification: CE GOST
    Model Number: MW-B75

    Payment & Shipping Terms:

    Minimum Order Quantity: 1piece
    Packaging Details: standard export carton
    Delivery Time: after receiving payment
    Payment Terms: T/T, Western Union, Paypal
    Supply Ability: 500Unit/Units per month
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    Detailed Product Description
    Measurement Range: 0~20HW Accuracy: 0.5HW
    Accurate Measurement Range: 5~18HW Test Material: Aluminum Alloy(1100~7075 Series)
    Hardness Range: 25~110HRE, 58~131HV

    Mitech digital hardness tester MW-B75 easy for use, can test rapidly, and the hardness value can be read out directly

     

    Overview

     

    MW series aluminum Webster tester is also called clamp type hardness tester, They are divided into MW, MW-20a, MW-20b three types, they are light and portable can be hold by one hand, do not need sample when testing, without high skill requirements. It can do fast NDT test of workpiece on site and meet the needs of quality control and qualified rate. It is widely used in production test, acceptance inspection and products quality inspection of aluminum industries and many companies of windows, door and curtain wall, as well as in engineering quality inspection and technical supervision departments. It is a necessary device in raising qualification rate and saving cost.

     

    Working Principle

     

    MW series Webster hardness tester adopts indentation principle. Under pressure, the indentation is inversely proportional to the material hardness. HW is short for hardness of Webster, when the value is 16, it means the hardness is 16HW. The value can be read on the dial and can be changed into HV, HR. If the sample hardness is out of range, the needle will point at 20, if the range is too low, the needle will not move and it will stay at 0.

     

    Technical Parameters

     

    • Measurement Range: 0~20HW
    • Accuracy: 0.5HW
    • Accurate Measurement Range: 5~18HW
    • Hardness Range: 25~110HRE, 58~131HV
    • Test material: Aluminum Alloy(1100~7075 Series)

    Configuration

     

    Standard config

    Item Parts Name QTY Remarks
    1 Main unit 1  
    2 Standard hardness block 1  
    3 Spare stylus 1  
    4 Special Wrench 1  
    5 Screwdriver 1  
    6 User’s manual 1  
    7 Handle case 1  
    Optional config 8 Spare stylus 1  
    9 Standard hardness block 1  
    10 Gauge glass 1  

     

     

    Application

     

    MW series webster hardness tester can be classified into four different types according to alloy content and hardness range. Except for MW-B92, each one has three kinds according to size of material.User should choose the right type to measure in case that you may damage the instrument.

    Table 1-1 Scope of application table

    Item Model Material Hardness range Specimen Size/mm
    1 MW-20 Aluminum alloy

    25~110HRE

    58~131HV

    Thickness0.4-6 Inner diameter>10
    2 MW-20a Thickness0.4-13 Inner diameter>10
    3 MW-20b Thickness0.4-8 Inner diameter>6
    4 MW-B75 Hard or semi-hard copper alloy, super hard aluminum alloy(2024/6064/7075) 63~105HRF Thickness0.8-6 Inner diameter>9.5
    5 MW-B75a Thickness0.8-13 Inner diameter>24
    6 MW-B75b Thickness0.8-6 Inner diameter>6
    7 MW-BB75 Pure copper, electrolytic copper, soft copper alloy (copper, etc.) 18~100HRE Thickness0.8-6 Inner diameter>9.5
    8 MW-BB75a Thickness0.8-13 Inner diameter>24
    9 MW-BB75b Thickness0.8-6 Inner diameter>6
    10 MW-B92 Stainless steel, low carbon steel

    48~100HRB

    90~353HV

    Thickness0.4-6 Inner diameter>10

     

    Note: For materials with a thickness less than 0.88mm, the use would meet an "anvil effect". At this time a small trace will appear on the back of the measured material. this "anvil effect" will cause measurement error, the larger the traces, the greater the error; the more soft the material, the thinner the thickness, this error will be greater .The For thinner materials, it is helpful to reduce the error caused by the "anvil effect" by superimposing the two materials with the same material.

    Contact Details
    Mitech CO.,LTD.

    Contact Person: Lareina Lee

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